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Fractionation

Fractionation-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Methods of nucleic acid fractionation and detection
Meridian Bioscience, Inc.
August 31, 2017 - N°20170247680

The invention provides methods of detecting a nucleic acid present in a biological sample, comprising combining the biological sample with a lysis buffer to form a lysis mixture comprising nucleic acid released from cells in said biological sample; and subjecting a volume of the lysis mixture to size-exclusion chromatography in a column comprising a volume of size-exclusion medium. In certain ...
Improved process for the preparation of immunoglobulin g (igg)
Bio Products Laboratory Limited
August 31, 2017 - N°20170247433

The present invention is directed to processes for extracting igg from an unused waste precipitate produced during normal plasma fractionation processes via a separate fractionation process, thereby increasing the overall yield of igg from blood plasma.
Device for the fractionation of objects and fractionation method
Stem Sel S.r.l.
August 24, 2017 - N°20170241959

The present invention relates to a device and a method for dynamic fractionation of a dispersed phase in a fluid. The device comprises a fractionation channel and from a first to a third injection ports. A first and a second confining fluids are injectable through the first and second injection ports, respectively. An elution fluid for transporting the dispersed phase ...
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Methods for isolating endogenous nucleic acids from subcellular compartments without fractionation
President And Fellows Of Harvard College
August 10, 2017 - N°20170227531

Methods of determining subcellular localization of nucleic acids, including rna and dna are described. In particular, the invention relates to a method combining proximity-specific labeling with crosslinking of nucleic acids to proteins and sequencing to identify nucleic acids within or near a particular subcellular compartment in vivo.
Process for preparing a high purity fischer-tropsch gasoil fraction
Shell Oil Company
August 03, 2017 - N°20170218282

The present invention provides a process for preparing fischer-tropsch gasoil fraction, comprising: a) providing a fischer-tropsch-derived gasoil feedstock containing one or more contaminants; b) providing the fischer-tropsch-derived gasoil feedstock to a pretreatment zone to be pretreated to remove at least part of the one or more contaminants in the fischer-tropsch-derived gasoil feedstock; c) retrieving from the pretreatment zone a purified ...
Olefin-based polymer
Lg Chem, Ltd.
August 03, 2017 - N°20170218105

The present invention relates to an olefin-based polymer exhibiting a single peak when analyzed by gel permeation chromatography (gpc), and having three elution temperatures te1, te2 and te3 when measuring temperature rising elution fractionation (tref) at a temperature ranging from −20° c. To 120° c. Accordingly, the olefin-based polymer having excellent mechanical strength, and in particular, significantly improved impact ...
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Process for recovering processing liquids from streams containing alkaline earth metal salts
Ccr Technologies, Ltd.
July 20, 2017 - N°20170203229

A process for recovering processing liquids from a feed stream which contains processing fluid, water, and at least one alkaline earth metal cation. The process includes reacting at least one alkaline earth metal cation with a suitable anion to form a substantially water-insoluble salt precipitate, the precipitate being formed in one of a fractionation column having a forced recycle loop ...
Identification of fractionated signals
Biosense Webster (israel) Ltd.
July 20, 2017 - N°20170202516

A system and method of determining regions of interest for heart ablation using fractionation. The method can comprise detecting, via sensors, electro-cardiogram (ecg) signals, each ecg signal detected via one of the sensors and indicating electrical activity of a heart, determining, for each of the ecg signals, activation times (lats) each indicating a time of activation of a corresponding ecg ...
Apparatus, system, and method for collecting a target material
Rarecyte, Inc.
July 06, 2017 - N°20170191911

This disclosure is directed to an apparatus, system and method for retrieving a target material from a suspension. A system includes a plurality of processing vessels and a collector. The collector funnels portions of the target material from the suspension through a cannula and into the processing vessels. Sequential density fractionation is the division of a sample into fractions or ...
Hydrocarbon gas processing
S.m.e. Products, Lp
July 06, 2017 - N°20170191751

A process and an apparatus are disclosed for a compact processing assembly to improve the recovery of c2 (or c3) and heavier hydrocarbon components from a hydrocarbon gas stream. The preferred method of separating a hydrocarbon gas stream generally includes producing at least a substantially condensed first stream and a cooled second stream, expanding both streams to lower pressure, and ...
Renewable diesel fuel composition
Neste Oyj
June 29, 2017 - N°20170183592

Methods and uses of a good lubricity fraction obtainable from thermal treatment of levulinic acid and subsequent hydrogenation and fractionation are disclosed.
Hydrotreating process and apparatus relating thereto
Uop Llc
June 29, 2017 - N°20170183582

One exemplary embodiment can be a process for treating a hydroprocessing fraction. The process can include obtaining a bottom stream from a fractionation zone, and passing at least a portion of the bottom stream to a film generating evaporator zone for separating a first stream containing less heavy polynuclear aromatic compounds than a second stream.
Hydrotreatment of hydroconversion process with a stripper and a low pressure separator drum in the ...
Axens
June 29, 2017 - N°20170183574

The invention concerns a facility and a process for hydrotreatment or hydroconversion, in which the fractionation section comprises a stripper which operates on the overhead fraction obtained from a low pressure separator drum.
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Fractionation process for a process for oligomerising light olefins
Axens
June 22, 2017 - N°20170175014

The invention relates to a process for oligomerising light olefins in which the effluent from the oligomerisation section is passed to a prefractionator that leads to at least one head fraction containing a mixture of liquefied petroleum gas and light gasoline and a bottom fraction containing a mixture of heavy gasoline and middle distillate, the said head fraction being passed ...
Method of separating betanin from red quinoa by supercritical fluid fractionation
National Pingtung University Of Science And Technology
June 22, 2017 - N°20170174717

The present invention relates to a method of separating betanin from red quinoa by supercritical fluid fractionation, including: mixing an extract of red quinoa with an ethanol/water mixture to obtain a mixture of red quinoa/ethanol/water; and separating betanin from the mixture of red quinoa/ethanol/water by supercritical fluid fractionation, which operates under a pressure between 2300 to 4400 ...
Apparatus and methods for fractionation of biological products
Agency For Science, Technology And Research
June 22, 2017 - N°20170173537

Methods and apparatus for purification of biological molecules using combinations of tangential flow filtration subunits and adsorption sub-units in a single apparatus where the subunits may be operated independently or in series and where the apparatus and methods are suitable for use in a wide range of formats distinct from conditions required for chromatographic processes such as conducting process steps ...
Preparation and composition of medium chain triglycerides containing substantial amount of lauric acid
Agency For Science, Technology And Research
June 22, 2017 - N°20170172170

The present invention pertains to an efficient and large-scale process to produce a medium-chain triglyceride composition with >95% content for c8 (caprylic acid), c10 (capric acid) and c12 (lauric acid), with the content of lauric acid at about 5% or more. The process involves fractionation of fatty acid methyl esters, which are mainly derived from coconut or palm kernel, their ...
Biomass fractionation process for bioproducts
Fpinnovations
June 08, 2017 - N°20170159091

A fractionation process for producing value-added products from a lignocellulosic biomass, comprises: a) mechanically refining the lignocellulosic biomass under mild refining conditions to form a refined biomass pulp with enhanced susceptibility to separation of hemicellulose, cellulose and lignin, and enhanced digestibility of carbohydrates in hydrolysis b) separating hemicellulose and sulfur-free high-quality lignin from cellulose in the refined biomass, and, optionally ...
Method for fractionating a lignocellulosic biomass
Arbiom Inc.
June 08, 2017 - N°20170159076

The present invention relates to a method for fractionating a lignocellulosic biomass. More specifically, the present invention lies in the field of cellulose solvent- and organic solvent-based lignocellulose fractionation (coslif) of lignocellulosic biomasses. In this type of process, a cellulose solvent, such as phosphoric acid or an ionic liquid is used to disrupt the structure of cellulose in a lignocellulosic ...
Crude bio oil pretreatment and upgrading
Exxonmobil Research And Engineering Company
June 08, 2017 - N°20170158967

Systems and methods are provided for pretreatment and upgrading of crude bio oils for further processing and/or use as fuel products. Crude bio oils can be treated by one or more of flash fractionation and thermal cracking to generate fractions suitable for further processing, such as further hydroprocessing. Blending of crude bio oil fractions with mineral feeds can also ...
Process for treating high paraffin diluted bitumen
Fort Hills Energy L.p.
June 01, 2017 - N°20170152445

A paraffinic solvent recovery process for treating high paraffin diluted bitumen includes supplying the latter to flashing apparatus; separating into flashed paraffinic solvent and diluted bitumen underflow; and returning a portion of the underflow as returned diluted bitumen into the high paraffin diluted bitumen prior to introduction into the flashing apparatus, at temperature and amount to shift asphaltene precipitation equilibrium ...
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